diff --git a/Makefile b/Makefile
index 25c8e359..a31624f2 100644
--- a/Makefile
+++ b/Makefile
@@ -131,10 +131,10 @@ chibi-scheme$(EXE): main.o libchibi-scheme$(SO)
 	$(CC) $(XCPPFLAGS) $(XCFLAGS) $(LDFLAGS) -o $@ $< -L. $(RLDFLAGS) -lchibi-scheme
 
 chibi-scheme-static$(EXE): main.o $(SEXP_OBJS) $(EVAL_OBJS)
-	$(CC) $(XCFLAGS) $(STATICFLAGS) -o $@ $^ $(LDFLAGS) $(GCLDFLAGS) -lm -ldl -lutil
+	$(CC) $(XCFLAGS) $(STATICFLAGS) -o $@ $^ $(LDFLAGS) $(GCLDFLAGS) $(STATIC_LDFLAGS)
 
 chibi-scheme-ulimit$(EXE): main.o $(SEXP_ULIMIT_OBJS) $(EVAL_OBJS)
-	$(CC) $(XCFLAGS) $(STATICFLAGS) -o $@ $^ $(LDFLAGS) $(GCLDFLAGS) -lm -ldl -lutil
+	$(CC) $(XCFLAGS) $(STATICFLAGS) -o $@ $^ $(LDFLAGS) $(GCLDFLAGS) $(STATIC_LDFLAGS)
 
 clibs.c: $(GENSTATIC) $(CHIBI_DEPENDENCIES) $(COMPILED_LIBS:%$(SO)=%.c)
 	$(GIT) ls-files lib | $(GREP) .sld | $(CHIBI) -q $(GENSTATIC) > $@
diff --git a/Makefile.detect b/Makefile.detect
index 6cd9fed1..2a3fe4f3 100644
--- a/Makefile.detect
+++ b/Makefile.detect
@@ -57,6 +57,7 @@ endif
 LIBDL = -ldl
 SO_VERSIONED_SUFFIX = $(SO).$(SOVERSION)
 SO_MAJOR_VERSIONED_SUFFIX = $(SO).$(SOVERSION_MAJOR)
+STATIC_LDFLAGS = -lm -ldl -lutil
 
 ifeq ($(PLATFORM),macosx)
 SO  = .dylib
@@ -93,6 +94,7 @@ CLINKFLAGS = -shared
 CPPFLAGS += -DSEXP_USE_STRING_STREAMS=0 -DSEXP_USE_GREEN_THREADS=0 -DSEXP_USE_GC_FILE_DESCRIPTORS=0 -DBUILDING_DLL
 LIBCHIBI_FLAGS = -Wl,--out-implib,libchibi-scheme$(SO).a
 STATICFLAGS =
+STATIC_LDFLAGS = -lm -ldl
 LIBDL = -lws2_32
 else
 ifeq ($(PLATFORM),msys)
@@ -103,6 +105,7 @@ CLIBFLAGS =
 CLINKFLAGS = -shared
 CPPFLAGS += -DSEXP_USE_STRING_STREAMS=0
 LIBCHIBI_FLAGS = -Wl,--out-implib,libchibi-scheme$(SO).a
+STATIC_LDFLAGS = -lm -ldl
 else
 ifeq ($(PLATFORM),cygwin)
 SO  = .dll
@@ -112,6 +115,7 @@ CLIBFLAGS =
 CLINKFLAGS = -shared
 CPPFLAGS += -DSEXP_USE_STRING_STREAMS=0
 LIBCHIBI_FLAGS = -Wl,--out-implib,libchibi-scheme$(SO).a
+STATIC_LDFLAGS = -lm -ldl
 else
 SO  = .so
 EXE =
@@ -126,6 +130,10 @@ endif
 endif
 endif
 
+ifeq ($(PLATFORM),emscripten)
+STATIC_LDFLAGS = -lm -ldl
+endif
+
 ifeq ($(PLATFORM),unix)
 #RLDFLAGS=-rpath $(LIBDIR)
 RLDFLAGS=-Wl,-R$(LIBDIR)