diff --git a/src/dfmt/formatter.d b/src/dfmt/formatter.d
index 16eb759..0cb39d7 100644
--- a/src/dfmt/formatter.d
+++ b/src/dfmt/formatter.d
@@ -466,7 +466,7 @@ private:
                 write(" ");
         }
         else if (index < tokens.length && (currentIs(tok!"@") || isBasicType(tokens[index].type)
-                || currentIs(tok!"identifier")))
+                || currentIs(tok!"identifier") || currentIs(tok!"if")))
             write(" ");
     }
 
diff --git a/tests/allman/issue0187.d.ref b/tests/allman/issue0187.d.ref
new file mode 100644
index 0000000..ee3cdbf
--- /dev/null
+++ b/tests/allman/issue0187.d.ref
@@ -0,0 +1,3 @@
+void doStuff(T)() @safe if (isNumeric!T)
+{
+}
diff --git a/tests/issue0187.d b/tests/issue0187.d
new file mode 100644
index 0000000..ee3cdbf
--- /dev/null
+++ b/tests/issue0187.d
@@ -0,0 +1,3 @@
+void doStuff(T)() @safe if (isNumeric!T)
+{
+}
diff --git a/tests/otbs/issue0187.d.ref b/tests/otbs/issue0187.d.ref
new file mode 100644
index 0000000..fa534e7
--- /dev/null
+++ b/tests/otbs/issue0187.d.ref
@@ -0,0 +1,2 @@
+void doStuff(T)() @safe if (isNumeric!T) {
+}