diff --git a/archimedes/Makefile b/archimedes/Makefile
index d41baa5860..657fd4a79f 100644
--- a/archimedes/Makefile
+++ b/archimedes/Makefile
@@ -14,4 +14,13 @@ GNU_CONFIGURE=	yes
 USE_LANGUAGES=	c c++
 USE_FEATURES+=	getopt_long
 
+.include "../../mk/compiler.mk"
+.if !empty(PKGSRC_COMPILER:Mclang)
+SUBST_CLASSES+=	inline
+SUBST_STAGE.inline=        pre-configure
+SUBST_FILES.inline=        src/particlecreation.h
+SUBST_MESSAGE.inline=      Removing inline due to compiler compatibility issues
+SUBST_SED.inline=         -e s,inline,,
+.endif
+
 .include "../../mk/bsd.pkg.mk"