diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 22c1def27..5fbc7002a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -260,6 +260,10 @@ target_compile_options(SRB2SDL2 PRIVATE
 			-Wdisabled-optimization
 		>
 
+		$<$<VERSION_GREATER_EQUAL:$<C_COMPILER_VERSION>,3.4.0>:
+			-fwrapv
+		>
+
 		$<$<VERSION_GREATER_EQUAL:$<C_COMPILER_VERSION>,4.0.0>:
 			-Wold-style-definition
 			-Wmissing-field-initializers
diff --git a/src/Makefile.d/detect.mk b/src/Makefile.d/detect.mk
index 9e2736946..3d9fc2766 100644
--- a/src/Makefile.d/detect.mk
+++ b/src/Makefile.d/detect.mk
@@ -65,7 +65,8 @@ gcc_versions:=\
 	75 74 73 72 71 70\
 	64 63 62 61 60\
 	55 54 53 52 51 50\
-	49 48 47 46 45 44 43 42 41 40
+	49 48 47 46 45 44 43 42 41 40\
+	34
 
 latest_gcc_version:=13.2
 
diff --git a/src/Makefile.d/versions.mk b/src/Makefile.d/versions.mk
index 73d352138..40ccd9f26 100644
--- a/src/Makefile.d/versions.mk
+++ b/src/Makefile.d/versions.mk
@@ -160,7 +160,7 @@ opts+=-O0
 endif
 endif
 
-ifdef GCC45
+ifdef GCC34
 opts+=-fwrapv
 endif
 
diff --git a/src/sdl/macosx/Srb2mac.pbproj/project.pbxproj b/src/sdl/macosx/Srb2mac.pbproj/project.pbxproj
index 909bb2ced..40f580be1 100644
--- a/src/sdl/macosx/Srb2mac.pbproj/project.pbxproj
+++ b/src/sdl/macosx/Srb2mac.pbproj/project.pbxproj
@@ -2133,7 +2133,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				JAVA_COMPILER_DEBUGGING_SYMBOLS = NO;
 				OPTIMIZATION_CFLAGS = "-O2";
-				OTHER_CFLAGS = "-DMAC_ALERT -DUNIXCOMMON -DSDLMAIN -DHAVE_MIXER -DHAVE_PNG -D_BIG_ENDIAN -DSTDC_HEADERS -DSDL -Wall -Winline -fno-strict-aliasing";
+				OTHER_CFLAGS = "-DMAC_ALERT -DUNIXCOMMON -DSDLMAIN -DHAVE_MIXER -DHAVE_PNG -D_BIG_ENDIAN -DSTDC_HEADERS -DSDL -Wall -Winline -fno-strict-aliasing -fwrapv";
 				OTHER_REZFLAGS = "";
 				PREBINDING = NO;
 				PRODUCT_NAME = Srb2;