diff --git a/man/rgbasm.1 b/man/rgbasm.1
index 5f05bdda..8cd68e26 100644
--- a/man/rgbasm.1
+++ b/man/rgbasm.1
@@ -460,10 +460,10 @@ or
 .Fl Wno-truncation
 disables this warning.
 .Fl Wtruncation=1
-warns when an N-bit value is 2**N or greater, or less than -2**N.
-.Fl Wtruncation=2
 or just
 .Fl Wtruncation
+warns when an N-bit value is 2**N or greater, or less than -2**N.
+.Fl Wtruncation=2
 also warns when an N-bit value is less than -2**(N-1), which will not fit in two's complement encoding.
 .It Fl Wunmapped-char=
 Warn when a character goes through charmap conversion but has no defined mapping.
diff --git a/man/rgblink.1 b/man/rgblink.1
index 544da45f..cf26ba81 100644
--- a/man/rgblink.1
+++ b/man/rgblink.1
@@ -327,10 +327,10 @@ or
 .Fl Wno-truncation
 disables this warning.
 .Fl Wtruncation=1
-warns when an N-bit value is 2**N or greater, or less than -2**N.
-.Fl Wtruncation=2
 or just
 .Fl Wtruncation
+warns when an N-bit value is 2**N or greater, or less than -2**N.
+.Fl Wtruncation=2
 also warns when an N-bit value is less than -2**(N-1), which will not fit in two's complement encoding.
 .El
 .Sh EXAMPLES
diff --git a/src/asm/warning.cpp b/src/asm/warning.cpp
index 91ba5f62..1a087c32 100644
--- a/src/asm/warning.cpp
+++ b/src/asm/warning.cpp
@@ -53,7 +53,7 @@ Diagnostics<WarningLevel, WarningID> warnings = {
     .paramWarnings = {
         {WARNING_NUMERIC_STRING_1, WARNING_NUMERIC_STRING_2, 1},
         {WARNING_PURGE_1,          WARNING_PURGE_2,          2},
-        {WARNING_TRUNCATION_1,     WARNING_TRUNCATION_2,     2},
+        {WARNING_TRUNCATION_1,     WARNING_TRUNCATION_2,     1},
         {WARNING_UNMAPPED_CHAR_1,  WARNING_UNMAPPED_CHAR_2,  1},
     },
     .state = DiagnosticsState<WarningID>(),
diff --git a/src/link/warning.cpp b/src/link/warning.cpp
index d42e5d09..48cdb795 100644
--- a/src/link/warning.cpp
+++ b/src/link/warning.cpp
@@ -31,7 +31,7 @@ Diagnostics<WarningLevel, WarningID> warnings = {
         {"truncation",   LEVEL_EVERYTHING},
     },
     .paramWarnings = {
-        {WARNING_TRUNCATION_1, WARNING_TRUNCATION_2, 2},
+        {WARNING_TRUNCATION_1, WARNING_TRUNCATION_2, 1},
     },
     .state = DiagnosticsState<WarningID>(),
     .nbErrors = 0,
diff --git a/test/asm/warn-truncation.asm b/test/asm/warn-truncation.asm
index 3850f64f..885319ef 100644
--- a/test/asm/warn-truncation.asm
+++ b/test/asm/warn-truncation.asm
@@ -32,7 +32,7 @@ MACRO try
 ENDM
 
 	try Wno-truncation
-	try Wtruncation
+	try Wtruncation ; defaults to 1
 	try Wtruncation=0
 	try Wtruncation=1
 	try Wtruncation=2
diff --git a/test/asm/warn-truncation.err b/test/asm/warn-truncation.err
index 97e50103..faf30a1d 100644
--- a/test/asm/warn-truncation.err
+++ b/test/asm/warn-truncation.err
@@ -6,14 +6,6 @@ warning: Expression must be 16-bit [-Wtruncation]
     at warn-truncation.asm::try(25) <- warn-truncation.asm(35)
 warning: Expression must be 16-bit [-Wtruncation]
     at warn-truncation.asm::try(26) <- warn-truncation.asm(35)
-warning: Expression must be 8-bit; use `LOW()` to force 8-bit [-Wtruncation]
-    at warn-truncation.asm::try(28) <- warn-truncation.asm(35)
-warning: Expression must be 16-bit [-Wtruncation]
-    at warn-truncation.asm::try(29) <- warn-truncation.asm(35)
-warning: Expression must be 8-bit; use `LOW()` to force 8-bit [-Wtruncation]
-    at warn-truncation.asm::try(30) <- warn-truncation.asm(35)
-warning: Expression must be 16-bit [-Wtruncation]
-    at warn-truncation.asm::try(31) <- warn-truncation.asm(35)
 warning: Expression must be 8-bit; use `LOW()` to force 8-bit [-Wtruncation]
     at warn-truncation.asm::try(23) <- warn-truncation.asm(37)
 warning: Expression must be 8-bit; use `LOW()` to force 8-bit [-Wtruncation]